Independent-hot-spot approach to multibeam laser-plasma instabilities.
basic_science · Level V
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- Record sourced from PubMed, PMID 35854618.
- Also identified by DOI 10.1103/PhysRevE.105.L063201.
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Abstract
The independent-hot-spot model is used to develop an analytic formulation for multibeam laser-plasma instabilities in inhomogeneous plasmas. The model is applied to the absolute two-plasmon-decay instability and shows good agreement with simulations and experiments. The success of the model indicates the emergence of single-speckle behavior for sufficiently large speckles sizes.